名校
解题方法
1 . 已知函数
,函数
.
(1)当
时,求函数
的值域;
(2)若不等式
对任意实数
恒成立,试求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea2cd231d017974972765cb9901fe41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54d2071c8ba1552d622b6b1613cfa0d7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e9cc87ac1bf9ce0c9160a95d249d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5378121783ae0f313e4b5d19c5471ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5238337ca27cccb1f5705b3574ca6ed4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2 . 已知幂函数
为偶函数.
(1)求
的解析式;
(2)求不等式
的解集;
(3)若
在区间
上不单调,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af87fdae52a19c1fa2707d95558fb5b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63c801dcdf6aaf6f954378a56ffc7a85.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e06befffb4e80b1503a2678d269a9dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44284ff1ea50429a0610e13363be6080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
3 . 已知二次函数
满足
,且
.
(1)求
的解析式;
(2)若函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffdb2d3164969abd0c65db8752c325d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51eb2613dda00677d447c986cac505bc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1342732ad08f8bb483e4fb5ed0fd978.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
解题方法
4 . 已知函数
,
,
.
(1)求
的值域,
(2)记
的值域为D,试问是否存在a,使得集合
有且只有2个元素?若存在,求a的取值范围;若不存在,请说明理由.
参考公式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42acdd1133b704619a90574c14573b10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b6b0a9dc8e28b1860047e802f920856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a9b374c948a69989ddf75a9b03ff6b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ea1b63392f80627520147815865a45.png)
参考公式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b2b054c81868032ddb0927b766936e2.png)
您最近一年使用:0次
2023-11-09更新
|
159次组卷
|
3卷引用:河南省周口市项城市2023-2024学年高三上学期期中数学试题
河南省周口市项城市2023-2024学年高三上学期期中数学试题河南省青桐鸣2024届高三上学期11月大联考数学试题(已下线)考点10 与二次函数相关的复合函数问题 --2024届高考数学考点总动员【讲】
解题方法
5 . 已知函数
.
(1)当
时,求函数
在区间
上的最小值和最大值;
(2)若
,总
,使不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835514b954f74e3983abb2170f01efe8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca327be6a7dc5a158fc22122ce76923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7409b8e4b38636929d90f0ac54b2ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca3b1f02a33e3370d59d60cf58682a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
6 . 已知二次函数
满足
,且
.
(1)求
的解析式;
(2)若两个不相等的正数
,
满足
,求
的最小值.
(3)若函数
在区间
上不单调,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0293497cf4d27e07f2989ca6d0debae1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51eb2613dda00677d447c986cac505bc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若两个不相等的正数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9ba50ede8ef97b843accf839fef5c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf25a724783207f85e8e84f7ed18b2b.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e41396999fce75ce8fdf4a8725de79bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b26c416363ab2a9ed000b429540db55e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
7 . 二次函数
,且
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/136a3dff9409f6a0004724b3878e2d97.png)
(1)求函数
的解析式;
(2)若关于
的方程
在
上有解,求实数
的取值范围;
(3)当
时,求函数
的最小值
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d5e308cd5469e0f28a8d75f79903f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17ee5f43412795671704ab0e8d0b2f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/136a3dff9409f6a0004724b3878e2d97.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b4874cf36b6082ba4d539ff3ee69a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa66623cf54b42d6d12be4c8edaa7071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a6317c2c5e8dbf0c97ab16a5a900f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
您最近一年使用:0次
2023-11-06更新
|
274次组卷
|
2卷引用:北京市昌平区北京师范大学昌平附属学校2023-2024学年高一上学期期中数学试题
名校
解题方法
8 . 对于定义域为
的函数
,若存在区间
,使
在
上的值域为
,则称区间
为函数
的“最美区间”.
(1)求函数
的“最美区间”;
(2)若
存在最美区间
函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0195f699765021e2c6ea985e487971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a5ff66832ed844c01532a5cf603a98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
9 . 已知函数
.
(1)若
,写出不等式
的解集;
(2)从下列条件中只选出一个条件作答,使得函数
在
上有最小值,把选出的条件填在横线上,并写出
的单调区间及最小值;__________.(若选择的条件没有最小值,则本小题不得分)
①
;②
;③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
(3)解关于
的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0377ee50123c2b689ae92f391ab5f387.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)从下列条件中只选出一个条件作答,使得函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69abe959988e4c8c0739f5857ccfb0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
(3)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
您最近一年使用:0次
解题方法
10 . 已知函数
的图象经过点
和
.
(1)求函数
的解析式;
(2)当
时,求证:
;
(3)设
,记
在区间
上的最大值为
.当
最小时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80027540415bd2b98c9be19e21b5f8d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec40ff4479edca2ed18b6cadb8db72f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b334e2eaa7e8fb79cef8208b56ee4f5.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97ab84192e12bb292bc9fbd0b29fbee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f4613d8d3adbc2d82be6a56ce18b0fd.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf65f3a7b7ee5ca57d632643c63db39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fab11f38ab8593932082ec4d9c8c91f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb4fdde1f50ccfd1dc264f31b776d9c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb4fdde1f50ccfd1dc264f31b776d9c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次